Cleaned up project files, removing unnecessary using statements and getting rid of unecessary directories and files.

ReportingServices/HelperClasses/Data/DBCaller.cs

@@ -1,7 +1,4 @@
 using System.Data;
-using System.Numerics;
-using System.Runtime.Intrinsics.Arm;
-using System.Text.RegularExpressions;
 using Microsoft.Data.SqlClient;
 using ReportingServices.Models.PlanningReport;
 using ReportingServices.ReportingObjects;